JP2002312338A - Intranet job server and system, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the load on a network. SOLUTION: Plural web server processes 21-23 for job performance respectively having a port for a network interface, a distribution defining file 25 for defining the relationship of an IP address of each client and an IP address for port identification of the Web server process for job performance as a distribution address, and the web server process 24 for distribution are provided as an intranet job server 2 connected to the network 1. The Web server process 24 refers to the distribution defining file, prepares a log-in image plane for describing the IP address for port identification of the Web server process for job performance which is used as the distribution address when it receives the access from a certain client 3, transmits the same to the client who requests the same to urge the log-in instruction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a business execution Web
Intranet business server that executes server processes,
Related to intranet business systems and programs.

[0002]

2. Description of the Related Art In recent years, an intranet business system has been constructed in each company or the like to manage software information necessary for business operations in the company and to use each terminal.

Conventionally, such an intranet business system has a Web server process (software) for business execution, such as production management, on a LAN 51 as shown in FIG.
Are connected to a business server 52 having a Web server process 52a and a plurality of clients 53 using a Web server process 52a for production management and the like.

The business server 52 has a function of a WWW server for providing information described in a language called HTML,
In addition, one port serving as a network interface is provided, and only one Web server process 52a is activated.

[0005] Each of the clients 53,... Has a function of loading and displaying information including a Web server process 52a provided from the business server 52, and executing processes necessary for business performance.

[0006]

By the way, in the above intranet business system, the business server 52 itself has only one port, so if the number of clients 53 using the Web server process 52a increases, one Except for the client, other clients always occupy the network while waiting, so that the network is overloaded and the response is degraded.

The present invention has been made in view of the above circumstances, and provides an intranet business server, an intranet business system, and a program for distributing a network load by performing distribution of Web server processes for access from a client. The purpose is to provide.

[0008]

(1) In order to solve the above problems, an intranet business server according to the present invention includes a plurality of business execution Web server processes having network interface ports, and access from a client. In contrast, a configuration is provided in which a distribution Web server process for performing distribution to a plurality of Web server processes is provided.

According to the present invention having the above-described configuration, the distribution Web server process can be used by a plurality of business execution Web servers in response to access from a plurality of clients.
It is possible to distribute to server processes, and it is possible to reduce the load on the network.

(2) An intranet business system according to the present invention comprises an intranet business server and a plurality of clients in a network, and the intranet business server includes a plurality of Web servers required for performing business with a port for a network interface. A process, a distribution definition file defining the correspondence between the IP address of each client and the port identification IP address of the business execution Web server process to be distributed, and the distribution definition file when accessed by a client A log-in screen describing a port identification IP address of a Web server process that is a distribution destination by referring to a file is created, and a distribution Web server process that transmits the request to a requesting client to prompt login is provided. .

According to the present invention having the above-described configuration, the distribution Web server process, upon receiving an access from the client, a login screen for describing the IP address of the business execution Web server process defined in the distribution definition file. Is created and transmitted, the requesting client instructs the login screen to log in, and logs in to the assignment-destination Web server process. In this way, the user can log in to the Web server process for performing business, thereby distributing the load and reducing the load on the network.

(3) In the intranet service system according to the present invention, a prescribed number of logins is newly set for each of the service-executing Web server processes in the component (2), and the client is allowed to connect to a certain Web server process. When the number of logins reaches the specified number of logins, a distribution destination server is provided which instructs the distribution Web server process to distribute to another Web server process.

According to the present invention, when a number of clients log in in a short time and reaches a prescribed number of logins, the distribution destination server re-distributes to the distribution Web server process. , It is possible to dynamically change the business execution Web server process.

(4) The intranet business system according to the present invention newly monitors the abnormal state of a plurality of business-executing Web server processes and the distribution Web server process in addition to the constituent elements of (2) or (3). By providing a monitoring process, it is possible to take measures to automatically recover from an abnormality by repeatedly turning on the power supply or the like when an abnormality occurs in each Web server process.

[0015]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a system configuration diagram showing an embodiment of an intranet business system according to the present invention.

This intranet business system is LA
The network 1 is provided with a business server 2 functioning as a WWW server for starting a Web server process (software) and a plurality of clients 3 each having a browser.

As shown in FIG. 2, the business server 2 has a plurality of Web server processes, which are the same business execution software (hereinafter referred to as business execution Web server processes).
21 to 23 and access from client 3
In order to effectively utilize server resources while avoiding load imbalance, each business execution Web server process 21, 22, 2
Web, which is software for sorting to 3
A server process (hereinafter referred to as a distribution Web server process) 24 and a distribution definition file 25 are provided.

The business-performing Web server processes 21 to 24 are provided with ports 21a to 24a serving as network interfaces, respectively. Also,
It has been described that the business execution Web server processes 21, 22, and 23 are the same business execution software. However, this does not mean only one type, but a plurality of types when necessary for business execution. Of the same business execution software.

In the distribution definition file 25, the correspondence between the IP address of the client 3 and the IP address for identifying each port of the business execution Web server processes 21 to 24 is described.

In addition, the business server 2 has a data buffer memory 26 for temporarily storing data required for processing, and a storage for storing a distribution processing program for executing distribution processing in response to access from the client 3. A medium 27 is provided. The medium for storing the program may be configured to be stored not only in the external storage device as shown, but also in the main storage device.

FIG. 3 is a functional block diagram showing an embodiment of the distribution Web server process 24 constituting the business server 2 according to the present invention.

This distribution Web server process 24
The initialization function 32 reads the contents of the distribution definition file 25 and creates a distribution definition table 31 on the data buffer memory 26, for example, in addition to deleting unnecessary data at the time of start-up. On the other hand, a distribution function 33 for extracting the IP address of the business execution Web server process corresponding to the IP address of the requesting client 3 based on the distribution definition table 31, and an HTML login template file 3
4, a login screen creation function 35 for creating a login screen describing the IP address of the distribution-destination business Web server process, and a login screen 36 created by this function 35 are transmitted to the requesting client 3. And an HTML screen transmission function for prompting a login instruction.

Next, the operation of the distribution Web server process 24 and a series of processing of the distribution processing program among the above-described systems will be described with reference to FIG.

When the Web server process 24 starts up with the start of the operation of the business server 2, the contents of the distribution definition file 25 are read and a distribution definition file 31 is created on, for example, the data buffer memory 26 (S1:
Initialization processing function). The contents of the distribution definition file 25 include the IP address of the client 3 and the We
b which is the port identification number of the server processes 21 to 23
The correspondence with the P address is defined.

In this state, the distribution Web server process 24 determines whether or not the client 3 has accessed the distribution-dedicated Web server process 24 (S2). At this time, when the system menu is clicked on the browser mounted on the client 3 as shown in FIG. 3, it is determined that there is access from the client 3 and the contents of the distribution definition file 25 are already set when the Web server process 24 starts up. Since the data is stored in the data buffer memory 26, the distribution definition table 31 on the data buffer memory 26 is referred to,
An IP address of a business execution Web server process to be a distribution destination (connection destination) is extracted from the request source client IP address (S3: distribution destination extraction function).

Subsequently, referring to the HTML login template file 34, a login screen describing the extracted IP address is created (S4, S5: login screen creation function), and this HTML login screen 36 is transmitted to the requesting client 3. (S6: Login screen transmission function).

Since the log-in screen 36 describes the IP address of the business-performing Web server process allocated to the HTML target, the requesting client 3 inputs the user password and clicks the button 37. It is connected to a business execution Web server process to which the job is to be distributed.

Although the correspondence between the IP address of the client 3 and the IP address for identifying the port of the business server 2 is fixed in principle, the correspondence of the distribution definition file 25 is appropriately determined according to the load condition. It is possible to change the relationship.

In the above embodiment, step S3
I of the Web server process for performing the work to be assigned to
Although the login screen is created after extracting the P address, the IP address of the business execution Web server process may be directly transmitted to the requesting client 3 without creating the login screen.

Therefore, according to the above-described embodiment, a plurality of business execution Web server processes 21 to 23 and a distribution Web server process 24 are provided on the business server 2, and each of the server processes 21 to 24 is provided for each of the server processes 21 to 24. By setting the network interface,
In response to access from client 3, We for distribution
Since the b server process 24 distributes the plurality of business execution Web server processes 21 to 23, the plurality of requesting clients 3 can use the business execution Web server processes 21 to 23, respectively. Network load can be reduced.

Further, since the business server 2 has the distribution definition file 25, the distribution of the definition file 25 on the server side may be changed when the client 3 is added. You can build a rich system.

(Other Embodiments) (1) In the above-described embodiment, when the distribution Web server process 24 is accessed from the client 3, the distribution Web server process 24 executes each business execution W in accordance with the distribution definition file 26.
It is distributed to the eb server processes 21 to 23,
If the size of the company is large, when a large number of employees 3 access a large number of clients in a relatively short time, a large number of clients 3 operate the button 37 on the login screen to log in. For example, Web for business execution
Concentration on the server process 21 causes the same problem as the conventional one.

In the system of the present invention, for example, FIG.
As shown in FIG. 3, a distribution destination server 41 is provided on the LAN 1 for each of the business execution Web server processes 21 to 23 or a prescribed login number common to all the Web server processes 21 to 23, and the distribution Web server process 24. After the login screen is provided, for example, when there is a large number of logins to a certain business performance Web server process 21 by operating the button 37, the counter is set to +1 for each login, and the counter is set to -1 for each logout. By using, for example, Web server process 2
When the number of logins of one reaches the specified number of logins, it has a function of instructing the distribution Web server process 24 to perform distribution again. The distribution Web server process 24 that has received the re-distribution instruction performs distribution to the next business execution Web server process 22. If the process 22 has also reached the specified number of logins, the distribution destination server 41 The distribution instruction is transmitted to the distribution Web server process 24 again.

Therefore, according to the above embodiment, when a large number of clients 3,... Are accessed, concentration on a specific business execution Web server process can be avoided, and each business execution Web server can be avoided. Process 21-2
3 can be dynamically distributed to a plurality of business execution Web server processes in accordance with the number of logins.

(2) In addition, when the distribution Web server process 24 is accessed by the clients 3,..., The plurality of business execution Web server processes 21 to 21
Since the distribution is performed to the Web server 23, when an abnormality occurs in the distribution Web server process 24, it is necessary to sufficiently cope with the abnormality.

Therefore, in the system of the present invention, FIG.
As shown in (1), there is provided an abnormality confirmation server 42 for monitoring abnormalities of the business execution Web server processes 21 to 23 including the distribution Web server process 24, and periodically monitors the status of each process 21 to 24, Execution Web
When a server process is stopped due to a heavy load, another Web server process for business execution is distributed, or in the case of an abnormality, the startup is repeated to return to a normal state, thereby automatically detecting the abnormality of each Web server process. Can respond.

In addition, the present invention is not limited to the above-described embodiment, and can be variously modified and implemented without departing from the gist thereof. Further, the embodiments can be implemented in combination as much as possible, and in that case, the effect of the combination can be obtained. Furthermore, each of the above embodiments includes various upper and lower stage inventions, and various inventions can be extracted by appropriately combining a plurality of disclosed components. For example, if an invention is extracted because some constituent elements can be omitted from all the constituent elements described in Means for Solving the Problem, and the extracted invention is implemented, the omitted part will be omitted. Is appropriately supplemented by well-known conventional techniques.

[0039]

As described above, according to the present invention, the access to W from a large number of clients can be
Since the web server process distributes the job to a plurality of business performance web server processes, it is possible to provide an intranet business server, an intranet business system, and a program capable of greatly reducing the network load by distributing the load.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram showing an embodiment of an intranet business system according to the present invention.

FIG. 2 is a configuration diagram showing an embodiment of an intranet business server according to the present invention.

FIG. 3 is a functional block diagram of an embodiment of an intranet business server according to the present invention.

FIG. 4 is a flowchart illustrating a series of processes of a distribution processing program according to the present invention.

FIG. 5 is a system configuration diagram showing another embodiment of the intranet business system according to the present invention.

FIG. 6 is a system configuration diagram showing still another embodiment of the intranet business system according to the present invention.

FIG. 7 is a system configuration diagram of a conventional intranet business system.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Network 2 ... Business server 3 ... Client 4 ... Server program 21-23 ... Business execution Web server process 24 ... Distribution Web server process 25 ... Distribution definition file 27 ... Storage medium 41 ... Distribution destination server 42 ... Abnormality confirmation server

 ──────────────────────────────────────────────────続 き Continued on the front page F-term (reference) 5B045 GG01 GG02 5B089 GA11 HA10 KA06 KB04

Claims (6)

[Claims] 1. A plurality of business execution Web server processes each having a network interface port, and a distribution Web server process for distributing access from a client to the plurality of business execution Web server processes. An intranet business server, which is provided. 2. The intranet business server according to claim 1, wherein the distribution Web server process is a business execution Web serving as a distribution destination predetermined for each client.
(b) A function of allocating an IP address for port identification of the server process and a function of notifying the requesting client of the IP address fetched by this function or of creating a login screen and transmitting it to the requesting client Intranet business server characterized by the following. 3. In an intranet business system in which an intranet business server and a plurality of clients are connected on a network, the intranet business server includes a plurality of business execution Web server processes each having a network interface port; Refer to the distribution definition file that defines the correspondence between the IP address of each client and the port identification IP address of the business execution Web server process that is the distribution destination, and refer to the distribution definition file when an access is received from a client. Business execution Web site to which the information is distributed
An intranet business system comprising: a login screen describing an IP address for port identification of a server process; and a distribution Web server process for transmitting to a requesting client and prompting a login instruction. 4. A distribution processing program for distributing to any of a plurality of business execution Web server processes having a port for a network interface when an access is received from a client, wherein the distribution is performed when the access is received from the client. Based on the correspondence between the IP address of each client defined in the definition file and the IP address for port identification of a plurality of business execution Web server processes to be allocated, the I of the business execution Web server process to be allocated is determined.
A distribution destination extraction function for extracting a P address, a login screen creation function for creating a login screen based on an IP address extracted by this function, and a login screen transmission function for sending this login screen to a requesting client Distribution processing program for realizing. 5. The intranet business system according to claim 3, wherein a specified number of logins is set in advance for each business-performing Web server process, and the number of logins from a client to a certain Web server process has reached the specified number of logins. An intranet business system, further comprising a distribution destination server for instructing the distribution Web server process to distribute to another Web server process. 6. The intranet business system according to claim 3, further comprising a monitoring process for monitoring an abnormal state of the plurality of business execution Web server processes and the distribution Web server process, and W which was regarded as abnormal
An intranet business system wherein recovery processing is performed on an eb server process.